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This paper describes the use of an Interlingua as a new approach to the execution of imperative natural language (NL) requisitions. Our goal is to embed a natural language interface into applications to allow the execution of users requisitions, described in natural language, through the activation of specific software components. The advantage of our approach is that natural language requisitions are first converted to an interlingua, UNL (Universal Networking Language), before the suitable components, methods and arguments are retrieved to execute each requisition. The interlingua allows the use of different human languages in the requisition (other systems are restricted to English). The NL-UNL conversion is preformed by the HERMETO system. In this paper, we also describe SeMaComp (Semantic Mapping between UNL relations and Components), a module that extracts semantic relevant information from UNL sentences and uses this information to retrieve the appropriated software components.

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